Micro-USB charging cable included. Weather-tough water resistant design. Flashing low battery indicator. Single-click power button to cycle through brightnesses. Double-click power button to switch between solid and flashing modes.Features:- Bike light set- Powerful COB 50 chip LED- Output 240 / 100 lumens- Weather- and water-resistant design- Lithium-ion Micro USB rechargeable battery (charging cable included)- Flashing low battery indicator- Universal rubber bracket